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prompto.store.datomic.FamilyHelper Maven / Gradle / Ivy
package prompto.store.datomic;
import java.time.ZoneId;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import datomic.Entity;
import prompto.intrinsic.PromptoDate;
import prompto.intrinsic.PromptoDateTime;
import prompto.intrinsic.PromptoTime;
import prompto.store.AttributeInfo;
import prompto.store.Family;
import prompto.store.datomic.Constants.Db;
import prompto.store.datomic.Constants.DbCardinality;
public interface FamilyHelper {
static Map HELPERS = getHelpers();
static Map getHelpers() {
Map helpers = new HashMap<>();
helpers.put(Family.TEXT, new TextHelper());
helpers.put(Family.BOOLEAN, new BooleanHelper());
helpers.put(Family.INTEGER, new IntegerHelper());
helpers.put(Family.DECIMAL, new DecimalHelper());
helpers.put(Family.UUID, new UUIDHelper());
helpers.put(Family.DATE, new DateHelper());
helpers.put(Family.TIME, new TimeHelper());
helpers.put(Family.DATETIME, new DateTimeHelper());
helpers.put(Family.CATEGORY, new CategoryHelper());
return helpers;
}
List collectAttributeFacts(AttributeInfo attribute);
Object nativeToPrompto(Entity entity, String fieldName);
static abstract class SimpleHelper implements FamilyHelper {
@Override
public List collectAttributeFacts(AttributeInfo attribute) {
Map valueFacts = new HashMap<>();
valueFacts.put(Db.IDENT.dbName(), ":" + attribute.getName());
valueFacts.put(Db.VALUETYPE.dbName(), getDatomicType());
// facts.put(Db.COMPONENT.dbName(), familyComponents.getOrDefault(attribute.getFamily(), false));
valueFacts.put(Db.CARDINALITY.dbName(), attribute.isCollection() ? DbCardinality.MANY.dbName() : DbCardinality.ONE.dbName());
return Collections.singletonList(valueFacts);
}
protected abstract String getDatomicType();
@Override
public Object nativeToPrompto(Entity entity, String fieldName) {
return entity.get(":" + fieldName);
}
}
static class TextHelper extends SimpleHelper {
@Override
protected String getDatomicType() {
return ":db.type/string";
}
}
static class IntegerHelper extends SimpleHelper {
@Override
protected String getDatomicType() {
return ":db.type/long";
}
}
static class DecimalHelper extends SimpleHelper {
@Override
protected String getDatomicType() {
return ":db.type/double";
}
}
static class BooleanHelper extends SimpleHelper {
@Override
protected String getDatomicType() {
return ":db.type/boolean";
}
}
static class UUIDHelper extends SimpleHelper {
@Override
protected String getDatomicType() {
return ":db.type/uuid";
}
}
static abstract class TypedHelper extends SimpleHelper {
@Override
public List collectAttributeFacts(AttributeInfo attribute) {
Map valueFacts = new HashMap<>();
valueFacts.put(Db.IDENT.dbName(), ":" + attribute.getName());
valueFacts.put(Db.VALUETYPE.dbName(), getDatomicType());
valueFacts.put(Db.CARDINALITY.dbName(), attribute.isCollection() ? DbCardinality.MANY.dbName() : DbCardinality.ONE.dbName());
Map familyFacts = new HashMap<>();
familyFacts.put(Db.IDENT.dbName(), ":" + attribute.getName() + "/family");
familyFacts.put(Db.VALUETYPE.dbName(), ":db.type/string");
familyFacts.put(Db.CARDINALITY.dbName(), DbCardinality.ONE.dbName());
return Arrays.asList(valueFacts, familyFacts);
}
}
static class DateHelper extends TypedHelper {
@Override
protected String getDatomicType() {
return ":db.type/long";
}
@Override
public Object nativeToPrompto(Entity entity, String fieldName) {
Object value = entity.get(":" + fieldName);
if(value instanceof Long)
return PromptoDate.fromJavaTime((Long)value);
else
return null;
}
}
static class TimeHelper extends TypedHelper {
@Override
protected String getDatomicType() {
return ":db.type/long";
}
@Override
public Object nativeToPrompto(Entity entity, String fieldName) {
Object value = entity.get(":" + fieldName);
if(value instanceof Long)
return PromptoTime.fromMillisOfDay((Long)value);
else
return null;
}
}
static class DateTimeHelper implements FamilyHelper {
@Override
public List collectAttributeFacts(AttributeInfo attribute) {
if(attribute.isCollection())
return collectCollectionAttributeFacts(attribute);
else
return collectSingleAttributeFacts(attribute);
}
List collectCollectionAttributeFacts(AttributeInfo attribute) {
throw new UnsupportedOperationException();
}
List collectSingleAttributeFacts(AttributeInfo attribute) {
Map valueFacts = new HashMap<>();
valueFacts.put(Db.IDENT.dbName(), ":" + attribute.getName());
valueFacts.put(Db.VALUETYPE.dbName(), ":db.type/instant");
valueFacts.put(Db.CARDINALITY.dbName(), attribute.isCollection() ? DbCardinality.MANY.dbName() : DbCardinality.ONE.dbName());
Map zoneFacts = new HashMap<>();
zoneFacts.put(Db.IDENT.dbName(), ":" + attribute.getName() + "/zone");
zoneFacts.put(Db.VALUETYPE.dbName(), ":db.type/string");
zoneFacts.put(Db.CARDINALITY.dbName(), DbCardinality.ONE.dbName());
Map offsetFacts = new HashMap<>();
offsetFacts.put(Db.IDENT.dbName(), ":" + attribute.getName() + "/offset");
offsetFacts.put(Db.VALUETYPE.dbName(), ":db.type/long");
offsetFacts.put(Db.CARDINALITY.dbName(), DbCardinality.ONE.dbName());
Map familyFacts = new HashMap<>();
familyFacts.put(Db.IDENT.dbName(), ":" + attribute.getName() + "/family");
familyFacts.put(Db.VALUETYPE.dbName(), ":db.type/string");
familyFacts.put(Db.CARDINALITY.dbName(), DbCardinality.ONE.dbName());
return Arrays.asList(valueFacts, zoneFacts, familyFacts);
}
@Override
public Object nativeToPrompto(Entity entity, String fieldName) {
Object value = entity.get(":" + fieldName);
if(value instanceof Date) {
Object info = entity.get(":" + fieldName + "/zone");
if(info instanceof String) {
DateTimeZone zone = DateTimeZone.forTimeZone(TimeZone.getTimeZone(ZoneId.of((String)info)));
DateTime dt = new DateTime(((Date)value).getTime(), zone);
return new PromptoDateTime(dt);
} else {
info = entity.get(":" + fieldName + "/offset");
if(info instanceof Long) {
DateTimeZone zone = DateTimeZone.forOffsetMillis((int)((Long)info*1000));
DateTime dt = new DateTime(((Date)value).getTime(), zone);
return new PromptoDateTime(dt);
} else {
return new PromptoDateTime(new DateTime(((Date)value).getTime(), DateTimeZone.UTC));
}
}
} else
return null;
}
}
static class CategoryHelper implements FamilyHelper {
@Override
public List collectAttributeFacts(AttributeInfo attribute) {
Map valueFacts = new HashMap<>();
valueFacts.put(Db.IDENT.dbName(), ":" + attribute.getName());
valueFacts.put(Db.VALUETYPE.dbName(), ":db.type/ref");
valueFacts.put(Db.CARDINALITY.dbName(), attribute.isCollection() ? DbCardinality.MANY.dbName() : DbCardinality.ONE.dbName());
return Collections.singletonList(valueFacts);
}
@Override
public Object nativeToPrompto(Entity entity, String fieldName) {
return entity.get(":" + fieldName);
}
}
}
